package cn.itcast.service.impl;

import cn.itcast.constant.MessageConstant;
import cn.itcast.dao.MemberDao;
import cn.itcast.dao.OrderDao;
import cn.itcast.dao.OrderSettingDao;
import cn.itcast.entity.Result;
import cn.itcast.pojo.Member;
import cn.itcast.pojo.Order;
import cn.itcast.pojo.OrderSetting;
import cn.itcast.service.OrderService;
import cn.itcast.utils.DateUtils;
import com.alibaba.dubbo.config.annotation.Service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @version V1.0
 * @author: luoqianjin
 * @date: 2019/8/2 18:53
 * @description: 体检预约服务
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;

    /**
     * @param map
     * @return 1.检查当前日期是否进行了预约设置
     */
    @Override
    public Result submit(Map map) throws Exception {
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
       OrderSetting orderSetting = orderSettingDao.findByOrderDate(date);
        if (ObjectUtils.isEmpty(orderSetting)) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //2.检查预约日期是否预约已满
        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations();//已预约人数
        if (reservations > number) {
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        //3.检查当前用户是否为会员，根据手机号判断
        String telephone = String.valueOf(map.get("telephone"));
       Member member = memberDao.findByTelephone(telephone);
        //防止重复预约
        if (member != null) {
            Integer memberId = member.getId();
            int setmealId = Integer.parseInt((String) map.get("setmealId"));
            Order order = new Order(memberId, date, null, null, setmealId);
           List<Order> list = orderDao.findByCondition(order);
            if (CollectionUtils.isEmpty(list)) {
                //已经完成了预约，不能重复预约
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }
        //可以预约，设置预约人数加一
        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        if(member == null){
            //当前用户不是会员，需要添加到会员表
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);
        }
        //保存预约信息到预约表
        Order order = new Order(member.getId(),
                date,
                (String)map.get("orderType"),
                Order.ORDERSTATUS_NO,
                Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);

        return new Result(true,MessageConstant.ORDER_SUCCESS,order);
    }

    @Override
    public Map findById(Integer id) {

        return orderDao.findById4Detail(id);
    }
}
